On 07/15/2009 10:48 AM, Jan Heichler wrote:
> Hallo Orion,
>>> Mittwoch, 15. Juli 2009, meintest Du:
>>> OP> I'm thinking about building a moderately fast network storage server
>> OP> using a striped array of SSD disks. I'm not sure how much such a device
>> OP> would benefit from being dual processor and whether the latest Nehalem
>> OP> chips would be better than the older in the tooth (and less expensive)
>> OP> AMD Opteron offerings. I'm almost certainly going to be limited at the
>> OP> moment by using GigE, but would like to move to Infiniband in future.
>> OP> Thoughts?
>>> Can you give a bit more Info?
>>> Network Storage Server = NFS?
NFS, though I'm open for trying other options.
> Why SSDs?
>
Performance per watt, $? I'm happy to be corrected.
> What speed do you want to reach?
I'd be happy with saturating 1 GigE ( ~ 100MB/s ?) to start, with some
headroom. Don't want to break the bank though for the last bit of
performance.
> In general: RAM does help, CPU power is normally not necessary.
That's my feeling, but wondering how low on the cpu to go. Is a dual
(physical) processor system a help?
--
Orion Poplawski
Technical Manager 303-415-9701 x222
NWRA/CoRA Division FAX: 303-415-9702
3380 Mitchell Lane orion at cora.nwra.com
Boulder, CO 80301 http://www.cora.nwra.com